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【单选题】
交流三速电动起货机是鼠笼式异步电动机,定子上有三套各自独立的绕组,其磁极对数分别是2、4、14,电源频率为50Hz,则该电机的同步转速分别为 r/min。A.
1500/750/214
B.
750/375/107
C.
1000/500/150
D.
3000/1500/428
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【简答题】搭载在陆地卫星Landsat上的传感器增强型专题制图仪（ETM+）的英文全称为_______________________。
【单选题】Your company has a Berkley Internet Name Domain (BIND) DNS server named Server1 that hosts the contoso.com DNS zone. You plan to replace Server1 with a DNS server named Server2 that runs Windows Serve...
A.
On Server2, configure a primary zone for contoso.com.
B.
On Server2, configure a secondary zone for contoso.com. Configure the contoso.com zone on Server2 as a primary zone.
C.
Copy the contoso.com.dns file from Server1 to the %systemroot%/System32/DNS folder on Server2. On Server2, restart the DNS Server service.
D.
Copy the contoso.com.dns file from Server1 to the %systemroot%/System32/DNS folder on Server2. On Server2, create a secondary zone for contoso.com.
【简答题】Landsat-5 卫星搭载的专题制图仪 TM ,同时设置有反射波段和热红外波段,前者的空间分辨率为 30m ,后者为 120m 。试分析热红外波段比反射波段空间分辨率低的原因。
【单选题】You are the systems engineer for Contoso， Ltd. The internal network consists of a Windows NT 4.0 domain. The company maintains a separate network that contains publicly accessible Web and mail servers...
A.
Create a primary zone named ad.contoso.com on your Windows-based DNS server. Create a delegation record for the new zone on the UNIX-based DNS server. Configure forwarders on your Windows-based DNS server.
B.
Create a primary zone named ad.contoso.com on the UNIX-based DNS server. Create a secondary zone on your Windows-based DNS server for the ad.contoso.com domain.
C.
Create a primary zone named contoso-ad.com on your Windows-based DNS server. Create a secondary zone on the UNIX-based DNS server for the contoso-ad.com domain.
D.
Create a primary zone named contoso-ad.com on the UNIX-based DNS server. Create a stub zone on the Windows-based DNS server for the contoso-ad.com domain. Configure conditional forwarders on your Windows-based DNS server for the contoso-ad.com and contoso.com domains.
【简答题】搭载在陆地卫星Landsat上的传感器增强型专题制图仪（ETM+）的英文全称为_______________________。
【单选题】Your company has a Berkley Internet Name Domain （BIND） DNS server named Server1 that hosts the contoso.com DNS zone.You plan to replace Server1 with a DNS server named Server2 that runs Windows Server...
A.
On Server2， configure a primary zone for contoso.com.
B.
On Server2， configure a secondary zone for contoso.com. Configure the contoso.com zone on Server2 as a primary zone.
C.
Copy the contoso.com.dns file from Server1 to the %systemroot%/System32/DNS folder on Server2. On Server2， restart the DNS Server service.
D.
Copy the contoso.com.dns file from Server1 to the %systemroot%/System32/DNS folder on Server2. On Server2， create a secondary zone for contoso.com.
【单选题】Your company has a main office and a branch office. The network contains two servers named Server1 and Server2 that run Windows Server 2008 R2. Server1 is located in the main office. Server2 is locate...
A.
Create a new replication group.
B.
Configure Server2 as a namespace server.
C.
From Server2, run dfsutil.exe cache domain.
D.
From Server2, run dfsutil.exe root forcesync //contoso.com/DFS1.
【简答题】若在Nginx配置中有如下两个虚拟主机，则下列说法正确的是（ ）。server { server_name *.a.com;}server { server_name a.a.com;}A. 访问a.a.com时匹配第1个server B. 访问a.a.com时匹配第2个server C. 访问b.a.com时匹配第1个server D. 访问b.a.com时匹配第2个server
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